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Finding the Fourth Proportional to 480,390.28, 662,881.18 and 265,501.13

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Solution

The fourth proportional to 480,390.28, 662,881.18 and 265,501.13 is: 366,359.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,390.28 : 662,881.18 = 265,501.13 : x
  2. Step 2: Convert to fraction form
    480,390.28/662,881.18 = 265,501.13/x
  3. Step 3: Cross multiply
    480,390.28x = 662,881.18 × 265,501.13
  4. Step 4: Simplify right side
    480,390.28x = 175,995,700,853.38
  5. Step 5: Solve for x
    x = 175,995,700,853.38/480,390.28
  6. Step 6: Final answer
    x = 366,359.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.